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Finding the Fourth Proportional to 437,950.28, 656,925.42 and 105,526.28

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Solution

The fourth proportional to 437,950.28, 656,925.42 and 105,526.28 is: 158,289.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,950.28 : 656,925.42 = 105,526.28 : x
  2. Step 2: Convert to fraction form
    437,950.28/656,925.42 = 105,526.28/x
  3. Step 3: Cross multiply
    437,950.28x = 656,925.42 × 105,526.28
  4. Step 4: Simplify right side
    437,950.28x = 69,322,895,810.04
  5. Step 5: Solve for x
    x = 69,322,895,810.04/437,950.28
  6. Step 6: Final answer
    x = 158,289.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.